Python Predict Output — playful Python challenges

Read each Python snippet, predict what it prints, then reveal the answer and the plot twist behind it. Built for classrooms and curious students.

Level 3/Assignment operatorsClassroom edition

LEVEL 3Assignment operators

PYTHON, PLOT TWIST!

Q26

+= versus normal assignment

What’s the output? Think first. Trust your brain.

1a = [1, 2]2b = a3a = a + [3]4print(a)5print(b)6print(a is b)

SPEAKER NOTESQuestion 26

Mixed arithmetic operators

Parentheses vs precedence

Floor division with negative numbers

Modulus and multiplication

Exponentiation associativity

Unary operators and exponentiation

Integer division vs true division

Compound expression

Boolean values in arithmetic

String repetition and concatenation

Chained comparisons

Logical operators and precedence

and returns an operand

or returns an operand

Short-circuit evaluation

Boolean expressions with comparisons

not and comparison precedence

Comparison chaining vs logical operators

Truthiness of different values

Nested and and or

Chained assignment

Assignment evaluation order

Repeated variable assignment

Augmented assignment with strings

Augmented assignment with lists

+= versus normal assignment

Floor division assignment

Multiple assignment with a list

Assignment operators and precedence

Swapping and dependent calculations

AND, OR, XOR

Bitwise NOT

Left and right shifts

Bitwise vs logical operators

Bitwise precedence

Negative numbers and shifts

Bitwise operators inside comparisons

Combining shifts and bitwise operations

Membership operators

List membership

Identity vs equality

Aliasing and mutation

Tuple identity and equality

is versus == with None

Membership in dictionaries

Membership and nested structures

Evaluation without unnecessary operations

Nested short-circuit evaluation

Comparison, bitwise, and logical operators

Mixed arithmetic and Boolean values

Conditional expression precedence

Nested conditional expressions

Boolean arithmetic inside a condition

max, min, and modulo

Operator precedence with not, in, and and

The same expression, different grouping

Logical operators return values, not always Booleans

Mutation, equality, and membership together

De Morgan's laws

Final boss — all operators combined

Python Predict Output — playful Python challenges

+= versus normal assignment